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xfree86: ddc: move public SDK headers to include/
Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
This commit is contained in:
Enrico Weigelt, metux IT consult
committed by
Enrico Weigelt
Enrico Weigelt
parent
1431b33caa
commit
45d2ba92d3
216
include/edid.h
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216
include/edid.h
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@@ -0,0 +1,216 @@
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/*
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* edid.h: defines to parse an EDID block
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*
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* This file contains all information to interpret a standard EDIC block
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* transmitted by a display device via DDC (Display Data Channel). So far
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* there is no information to deal with optional EDID blocks.
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* DDC is a Trademark of VESA (Video Electronics Standard Association).
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*
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* Copyright 1998 by Egbert Eich <Egbert.Eich@Physik.TU-Darmstadt.DE>
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*/
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#ifndef _EDID_H_
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#define _EDID_H_
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#include <stdbool.h>
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#include <stdint.h>
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#include <X11/Xmd.h>
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#include <X11/Xfuncproto.h>
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#define STD_TIMINGS 8
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#define DET_TIMINGS 4
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/* input type */
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#define DIGITAL(x) x
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/* Msc stuff EDID Ver > 1.1 */
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#define PREFERRED_TIMING_MODE(x) (x & 0x2)
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#define GTF_SUPPORTED(x) (x & 0x1)
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struct vendor {
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char name[4];
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int prod_id;
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unsigned int serial;
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int week;
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int year;
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};
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struct edid_version {
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int version;
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int revision;
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};
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struct disp_features {
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unsigned int input_type:1;
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unsigned int input_voltage:2;
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unsigned int input_setup:1;
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unsigned int input_sync:5;
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unsigned int input_dfp:1;
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unsigned int input_bpc:3;
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unsigned int input_interface:4;
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/* 15 bit hole */
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int hsize;
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int vsize;
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float gamma;
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unsigned int dpms:3;
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unsigned int display_type:2;
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unsigned int msc:3;
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float redx;
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float redy;
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float greenx;
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float greeny;
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float bluex;
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float bluey;
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float whitex;
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float whitey;
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};
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struct established_timings {
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uint8_t t1;
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uint8_t t2;
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uint8_t t_manu;
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};
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struct std_timings {
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int hsize;
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int vsize;
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int refresh;
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CARD16 id;
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};
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struct detailed_timings {
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int clock;
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int h_active;
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int h_blanking;
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int v_active;
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int v_blanking;
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int h_sync_off;
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int h_sync_width;
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int v_sync_off;
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int v_sync_width;
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int h_size;
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int v_size;
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int h_border;
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int v_border;
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unsigned int interlaced:1;
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unsigned int stereo:2;
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unsigned int sync:2;
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unsigned int misc:2;
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unsigned int stereo_1:1;
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};
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#define DT 0
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#define DS_SERIAL 0xFF
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#define DS_ASCII_STR 0xFE
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#define DS_NAME 0xFC
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#define DS_RANGES 0xFD
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#define DS_WHITE_P 0xFB
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#define DS_STD_TIMINGS 0xFA
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#define DS_CMD 0xF9
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#define DS_CVT 0xF8
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#define DS_EST_III 0xF7
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#define DS_DUMMY 0x10
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#define DS_UNKOWN 0x100 /* type is an int */
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#define DS_VENDOR 0x101
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#define DS_VENDOR_MAX 0x110
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/*
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* Display range limit Descriptor of EDID version1, reversion 4
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*/
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typedef enum {
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DR_DEFAULT_GTF,
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DR_LIMITS_ONLY,
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DR_SECONDARY_GTF,
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DR_CVT_SUPPORTED = 4,
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} DR_timing_flags;
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struct monitor_ranges {
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int min_v;
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int max_v;
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int min_h;
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int max_h;
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int max_clock; /* in mhz */
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int gtf_2nd_f;
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int gtf_2nd_c;
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int gtf_2nd_m;
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int gtf_2nd_k;
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int gtf_2nd_j;
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int max_clock_khz;
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int maxwidth; /* in pixels */
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char supported_aspect;
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char preferred_aspect;
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char supported_blanking;
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char supported_scaling;
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int preferred_refresh; /* in hz */
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DR_timing_flags display_range_timing_flags;
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};
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struct whitePoints {
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int index;
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float white_x;
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float white_y;
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float white_gamma;
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};
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struct cvt_timings {
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int width;
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int height;
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int rate;
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int rates;
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};
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/*
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* Be careful when adding new sections; this structure can't grow, it's
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* embedded in the middle of xf86Monitor which is ABI. Sizes below are
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* in bytes, for ILP32 systems. If all else fails just copy the section
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* literally like serial and friends.
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*/
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struct detailed_monitor_section {
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int type;
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union {
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struct detailed_timings d_timings; /* 56 */
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uint8_t serial[13];
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uint8_t ascii_data[13];
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uint8_t name[13];
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struct monitor_ranges ranges; /* 60 */
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struct std_timings std_t[5]; /* 80 */
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struct whitePoints wp[2]; /* 32 */
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/* color management data */
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struct cvt_timings cvt[4]; /* 64 */
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uint8_t est_iii[6]; /* 6 */
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} section; /* max: 80 */
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};
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/* flags */
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#define MONITOR_EDID_COMPLETE_RAWDATA 0x01
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/* old, don't use */
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#define EDID_COMPLETE_RAWDATA 0x01
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/*
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* For DisplayID devices, only the scrnIndex, flags, and rawData fields
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* are meaningful. For EDID, they all are.
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*/
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typedef struct {
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int scrnIndex;
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struct vendor vendor;
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struct edid_version ver;
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struct disp_features features;
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struct established_timings timings1;
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struct std_timings timings2[8];
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struct detailed_monitor_section det_mon[4];
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unsigned long flags;
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int no_sections;
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uint8_t *rawData;
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} xf86Monitor, *xf86MonPtr;
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extern _X_EXPORT xf86MonPtr ConfiguredMonitor;
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/*
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* check whether monitor supports Generalized Timing Formula
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*
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* @param monitor the monitor information structure to check
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* @return true if GTF is supported by the monitor
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*/
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_X_EXPORT bool xf86Monitor_gtf_supported(xf86MonPtr monitor);
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#endif /* _EDID_H_ */
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@@ -433,6 +433,7 @@ if build_xorg
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'dri2.h',
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'dri3.h',
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'dristruct.h',
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'edid.h',
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'events.h',
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'exa.h',
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'exevents.h',
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@@ -505,6 +506,7 @@ if build_xorg
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'xaarop.h',
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'xf86.h',
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'xf86cmap.h',
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'xf86DDC.h',
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'xf86fbman.h',
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'xf86Opt.h',
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'xf86Optionstr.h',
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58
include/xf86DDC.h
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58
include/xf86DDC.h
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@@ -0,0 +1,58 @@
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/* xf86DDC.h
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*
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* This file contains all information to interpret a standard EDIC block
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* transmitted by a display device via DDC (Display Data Channel). So far
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* there is no information to deal with optional EDID blocks.
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* DDC is a Trademark of VESA (Video Electronics Standard Association).
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*
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* Copyright 1998 by Egbert Eich <Egbert.Eich@Physik.TU-Darmstadt.DE>
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*/
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#ifndef XF86_DDC_H
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#define XF86_DDC_H
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#include "edid.h"
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#include "xf86i2c.h"
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#include "xf86str.h"
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/* speed up / slow down */
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typedef enum {
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DDC_SLOW,
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DDC_FAST
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} xf86ddcSpeed;
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typedef void (*DDC1SetSpeedProc) (ScrnInfoPtr, xf86ddcSpeed);
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extern _X_EXPORT xf86MonPtr xf86DoEDID_DDC1(ScrnInfoPtr pScrn,
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DDC1SetSpeedProc DDC1SetSpeed,
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unsigned
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int (*DDC1Read) (ScrnInfoPtr)
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);
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extern _X_EXPORT xf86MonPtr xf86DoEDID_DDC2(ScrnInfoPtr pScrn, I2CBusPtr pBus);
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extern _X_EXPORT xf86MonPtr xf86DoEEDID(ScrnInfoPtr pScrn, I2CBusPtr pBus, Bool);
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extern _X_EXPORT xf86MonPtr xf86PrintEDID(xf86MonPtr monPtr);
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extern _X_EXPORT xf86MonPtr xf86InterpretEDID(int screenIndex, uint8_t * block);
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extern _X_EXPORT xf86MonPtr xf86InterpretEEDID(int screenIndex, uint8_t * block);
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extern _X_EXPORT Bool xf86SetDDCproperties(ScrnInfoPtr pScreen, xf86MonPtr DDC);
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/*
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* parse EDID block and return a newly allocated xf86Monitor
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*
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* the data block will be copied into the structure (actually right after the struct)
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* and thus automatically be freed when the returned struct is freed.
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*
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* @param screenIndex index of the screen, will be recorded in the xf86Monitor
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* @param block the EDID block to parse
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* @param size size of the EDID block (128 or larger for extended types)
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* @return newly allocated xf86MonRec or NULL on failure
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*/
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_X_EXPORT xf86MonPtr xf86ParseEDID(ScrnInfoPtr pScreen, uint8_t *block, size_t size);
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#endif
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